From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756088Ab2CVDbf (ORCPT ); Wed, 21 Mar 2012 23:31:35 -0400 Received: from mail-pz0-f46.google.com ([209.85.210.46]:61041 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752184Ab2CVDbb (ORCPT ); Wed, 21 Mar 2012 23:31:31 -0400 Subject: Re: [PATCH] Added backlight driver for Acer Aspire 4736 From: Pradeep Subrahmanion To: joeyli Cc: Matthew Garrett , rpurdie@rpsys.net, FlorianSchandinat@gmx.de, akpm@linux-foundation.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <1332386725.10557.402.camel@linux-s257.site> References: <1331608337.2267.67.camel@debian.Gayathri> <20120312175130.GA18002@srcf.ucam.org> <1331640592.3485.50.camel@debian.Gayathri> <20120313124738.GB10822@srcf.ucam.org> <20120313133458.GA11574@srcf.ucam.org> <1331688294.2577.19.camel@debian.Gayathri> <1331680373.10557.169.camel@linux-s257.site> <1331692996.3052.8.camel@debian.Gayathri> <1331704278.10557.190.camel@linux-s257.site> <1331798740.10557.245.camel@linux-s257.site> <1332047432.6304.13.camel@debian.Gayathri> <1332122514.10557.270.camel@linux-s257.site> <1332241764.10557.329.camel@linux-s257.site> <1332269710.3921.31.camel@debian.Gayathri> <1332298845.10557.343.camel@linux-s257.site> <1332356993.3103.23.camel@debian.Gayathri> <1332380037.10557.398.camel@linux-s257.site> <1332383623.2622.6.camel@debian.Gayathri> <1332386725.10557.402.camel@linux-s257.site> Content-Type: text/plain; charset="UTF-8" Date: Thu, 22 Mar 2012 09:02:02 +0530 Message-ID: <1332387122.2622.9.camel@debian.Gayathri> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2012-03-22 at 11:25 +0800, joeyli wrote: > 於 四，2012-03-22 於 08:03 +0530，Pradeep Subrahmanion 提到： > > On Thu, 2012-03-22 at 09:33 +0800, joeyli wrote: > > > 於 四，2012-03-22 於 00:39 +0530，Pradeep Subrahmanion 提到： > > > > > This new patch should remove acpi_video0 interface on your machine. > > > > > Please kindly provide your dmidecode: > > > > > dmidecode > dmidecode.log > > > > > > > > > > And, > > > > > please make should the patch really applied, you can do a bit change on > > > > > pr_info message by yourself. > > > > > > > > Sorry . I think there was some mistake . I tried the patch again. Now > > > > I see only intel_backlight inside /sys/class/backlight. There is no > > > > acer-wmi interface . Is this the expected behavior ? . Or am I missing > > > > anything ? > > > > > > > > > > Yes, this is the expected behavior! But, now I doubt your issue was > > > workaround by acpi_osi=Linux but not intel_backlight. > > > > > > > > > > > > > > > > > > > > > > > > echo 5 > /sys/class/backlight/acpi_video0/brightness > > > > > > echo 5 > /sys/class/backlight/intel_backlight/brightness > > > > > > > > > > > > But it doesn't make any change . > > > > > > > > > > > > In my case , 'acpi_backlight = vendor' does not make any difference since the hot key control > > > > > > > > > > > > already starts working with 'acpi_osi=Linux' option. > > > > > > > > > > > > cat /proc/cmdline gives , > > > > > > > > > > > > BOOT_IMAGE=/boot/vmlinuz-3.3.0+ > > > > > > root=UUID=f0197a59-c067-4fd8-ad90-c4d721816077 ro acpi_osi=Linux > > > > > > > > > > > > > > > > > > Thanks , > > > > > > > > > > > > Pradeep Subrahmanion > > > > > > > > > > > > > > > > OK, that's more clearly, please remove acpi_osi=Linux then re-test, I > > > > > think the hotkey of backlight control only works with acpi_osi=Linux ? > > > > > > > > > > > Does your backlight control still work if you remove acpi_osi=Linux ? > > > > If I remove acpi_osi=Linux , the hot key control stops working . > > > > What is the preload OS in your machine when you bought it? Windows XP, > Vista or Windows 7? It was Windows XP. > > > thanks > Joey Lee > Thanks , Pradeep Subrahmanion From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pradeep Subrahmanion Date: Thu, 22 Mar 2012 03:44:02 +0000 Subject: Re: [PATCH] Added backlight driver for Acer Aspire 4736 Message-Id: <1332387122.2622.9.camel@debian.Gayathri> List-Id: References: <1331608337.2267.67.camel@debian.Gayathri> <20120312175130.GA18002@srcf.ucam.org> <1331640592.3485.50.camel@debian.Gayathri> <20120313124738.GB10822@srcf.ucam.org> <20120313133458.GA11574@srcf.ucam.org> <1331688294.2577.19.camel@debian.Gayathri> <1331680373.10557.169.camel@linux-s257.site> <1331692996.3052.8.camel@debian.Gayathri> <1331704278.10557.190.camel@linux-s257.site> <1331798740.10557.245.camel@linux-s257.site> <1332047432.6304.13.camel@debian.Gayathri> <1332122514.10557.270.camel@linux-s257.site> <1332241764.10557.329.camel@linux-s257.site> <1332269710.3921.31.camel@debian.Gayathri> <1332298845.10557.343.camel@linux-s257.site> <1332356993.3103.23.camel@debian.Gayathri> <1332380037.10557.398.camel@linux-s257.site> <1332383623.2622.6.camel@debian.Gayathri> <1332386725.10557.402.camel@linux-s257.site> In-Reply-To: <1332386725.10557.402.camel@linux-s257.site> MIME-Version: 1.0 Content-Type: text/plain; charset="windows-1254" Content-Transfer-Encoding: base64 To: joeyli Cc: Matthew Garrett , rpurdie@rpsys.net, FlorianSchandinat@gmx.de, akpm@linux-foundation.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org T24gVGh1LCAyMDEyLTAzLTIyIGF0IDExOjI1ICswODAwLCBqb2V5bGkgd3JvdGU6Cj4g5pa8IOWb m++8jDIwMTItMDMtMjIg5pa8IDA4OjAzICswNTMw77yMUHJhZGVlcCBTdWJyYWhtYW5pb24g5o+Q 5Yiw77yaCj4gPiBPbiBUaHUsIDIwMTItMDMtMjIgYXQgMDk6MzMgKzA4MDAsIGpvZXlsaSB3cm90 ZToKPiA+ID4g5pa8IOWbm++8jDIwMTItMDMtMjIg5pa8IDAwOjM5ICswNTMw77yMUHJhZGVlcCBT dWJyYWhtYW5pb24g5o+Q5Yiw77yaCj4gPiA+ID4gPiBUaGlzIG5ldyBwYXRjaCBzaG91bGQgcmVt b3ZlIGFjcGlfdmlkZW8wIGludGVyZmFjZSBvbiB5b3VyIG1hY2hpbmUuCj4gPiA+ID4gPiBQbGVh c2Uga2luZGx5IHByb3ZpZGUgeW91ciBkbWlkZWNvZGU6Cj4gPiA+ID4gPiAgZG1pZGVjb2RlID4g ZG1pZGVjb2RlLmxvZwo+ID4gPiA+ID4KPiA+ID4gPiA+IEFuZCwgCj4gPiA+ID4gPiBwbGVhc2Ug bWFrZSBzaG91bGQgdGhlIHBhdGNoIHJlYWxseSBhcHBsaWVkLCB5b3UgY2FuIGRvIGEgYml0IGNo YW5nZSBvbgo+ID4gPiA+ID4gcHJfaW5mbyBtZXNzYWdlIGJ5IHlvdXJzZWxmLgo+ID4gPiA+IAo+ ID4gPiA+ICAgIFNvcnJ5IC4gSSB0aGluayB0aGVyZSB3YXMgc29tZSBtaXN0YWtlIC4gSSB0cmll ZCB0aGUgcGF0Y2ggYWdhaW4uIE5vdwo+ID4gPiA+IEkgc2VlIG9ubHkgaW50ZWxfYmFja2xpZ2h0 IGluc2lkZSAvc3lzL2NsYXNzL2JhY2tsaWdodC4gVGhlcmUgaXMgbm8KPiA+ID4gPiBhY2VyLXdt aSBpbnRlcmZhY2UgLiBJcyB0aGlzIHRoZSBleHBlY3RlZCBiZWhhdmlvciA/IC4gT3IgYW0gSSBt aXNzaW5nCj4gPiA+ID4gYW55dGhpbmcgPwo+ID4gPiA+IAo+ID4gPiAKPiA+ID4gWWVzLCB0aGlz IGlzIHRoZSBleHBlY3RlZCBiZWhhdmlvciEgQnV0LCBub3cgSSBkb3VidCB5b3VyIGlzc3VlIHdh cwo+ID4gPiB3b3JrYXJvdW5kIGJ5IGFjcGlfb3NpPUxpbnV4IGJ1dCBub3QgaW50ZWxfYmFja2xp Z2h0Lgo+ID4gPgo+ID4gCj4gPiA+ID4gCj4gPiA+ID4gCj4gPiA+ID4gPiAKPiA+ID4gPiA+ID4g ZWNobyA1ID4gL3N5cy9jbGFzcy9iYWNrbGlnaHQvYWNwaV92aWRlbzAvYnJpZ2h0bmVzcyAKPiA+ ID4gPiA+ID4gZWNobyA1ID4gL3N5cy9jbGFzcy9iYWNrbGlnaHQvaW50ZWxfYmFja2xpZ2h0L2Jy aWdodG5lc3MKPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiA+IEJ1dCBpdCBkb2Vzbid0IG1ha2UgYW55 IGNoYW5nZSAuIAo+ID4gPiA+ID4gPiAKPiA+ID4gPiA+ID4gSW4gbXkgY2FzZSAgLCAnYWNwaV9i YWNrbGlnaHQgPSB2ZW5kb3InIGRvZXMgbm90IG1ha2UgYW55IGRpZmZlcmVuY2Ugc2luY2UgdGhl IGhvdCBrZXkgY29udHJvbCAKPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiA+IGFscmVhZHkgc3RhcnRz IHdvcmtpbmcgd2l0aCAnYWNwaV9vc2k9TGludXgnIG9wdGlvbi4KPiA+ID4gPiA+ID4gCj4gPiA+ ID4gPiA+IGNhdCAvcHJvYy9jbWRsaW5lIGdpdmVzICwgCj4gPiA+ID4gPiA+IAo+ID4gPiA+ID4g PiBCT09UX0lNQUdFPS9ib290L3ZtbGludXotMy4zLjArCj4gPiA+ID4gPiA+IHJvb3Q9VVVJRPAx OTdhNTktYzA2Ny00ZmQ4LWFkOTAtYzRkNzIxODE2MDc3IHJvIGFjcGlfb3NpPUxpbnV4IAo+ID4g PiA+ID4gPiAKPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiA+IFRoYW5rcyAsIAo+ID4gPiA+ID4gPiAK PiA+ID4gPiA+ID4gUHJhZGVlcCBTdWJyYWhtYW5pb24KPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiAK PiA+ID4gPiA+IE9LLCB0aGF0J3MgbW9yZSBjbGVhcmx5LCBwbGVhc2UgcmVtb3ZlIGFjcGlfb3Np PUxpbnV4IHRoZW4gcmUtdGVzdCwgSQo+ID4gPiA+ID4gdGhpbmsgdGhlIGhvdGtleSBvZiBiYWNr bGlnaHQgY29udHJvbCBvbmx5IHdvcmtzIHdpdGggYWNwaV9vc2k9TGludXggPwo+ID4gPiA+ID4g Cj4gPiA+IAo+ID4gPiBEb2VzIHlvdXIgYmFja2xpZ2h0IGNvbnRyb2wgc3RpbGwgd29yayBpZiB5 b3UgcmVtb3ZlIGFjcGlfb3NpPUxpbnV4ID8KPiA+IAo+ID4gICAgSWYgSSByZW1vdmUgYWNwaV9v c2k9TGludXggLCB0aGUgaG90IGtleSBjb250cm9sIHN0b3BzIHdvcmtpbmcgLgo+ID4gCj4gCj4g V2hhdCBpcyB0aGUgcHJlbG9hZCBPUyBpbiB5b3VyIG1hY2hpbmUgd2hlbiB5b3UgYm91Z2h0IGl0 PyBXaW5kb3dzIFhQLAo+IFZpc3RhIG9yIFdpbmRvd3MgNz8KICAKICAgSXQgd2FzIFdpbmRvd3Mg WFAuCgo+IAo+IAo+IHRoYW5rcwo+IEpvZXkgTGVlCj4gCgpUaGFua3MgLCAKClByYWRlZXAgU3Vi cmFobWFuaW9uCgoKLS0KVG8gdW5zdWJzY3JpYmUgZnJvbSB0aGlzIGxpc3Q6IHNlbmQgdGhlIGxp bmUgInVuc3Vic2NyaWJlIGxpbnV4LWZiZGV2IiBpbgp0aGUgYm9keSBvZiBhIG1lc3NhZ2UgdG8g bWFqb3Jkb21vQHZnZXIua2VybmVsLm9yZwpNb3JlIG1ham9yZG9tbyBpbmZvIGF0ICBodHRwOi8v dmdlci5rZXJuZWwub3JnL21ham9yZG9tby1pbmZvLmh0bWw=